The United States Frequency Allocation Chart shows how the nation’s precious radio frequencies are carefully shared. ... A satellite high above Earth is transmitting weather maps on 1694.1 MHz.

DARPA has awarded a contract for the third and final phase of its Advanced RF Mapping program, known as RadioMap, which seeks to provide real-time awareness of radio spectrum use across frequency, ...

Radio-Locator is a great tool for finding AM, FM, and online radio stations, as well as unused frequencies for FM transmitters. John Falcone Senior Editorial Director, Shopping John P. Falcone is ...

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...